/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVM.h
Set the value of a parameter.
template<class T> void SetParameterValue ( const [FRigVMParameter](API\Plugins\RigVM\RigVMCore\FRigVMParameter) & InParameter, const T & InNewValue, int32 InArrayIndex )